package library.config;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

/**
 * SqlSession线程工厂类
 * @author choi
 *
 */
public class MySqlSessionFactory {
	private static SqlSessionFactory sqlSessionFactory;
	static {
		InputStream inputStream = null;
		try {
			inputStream = Resources.getResourceAsStream("mybatis-config.xml");
			sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
		} catch (IOException e) {
			System.out.println("Mybatis配置文件读取错误！");
			e.printStackTrace();
		}
	}
    public static SqlSession getSqlSessionInstance() {
    	SqlSession sqlSession = sqlSessionFactory.openSession();   	
    	return sqlSession;
    }
}
